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mediatek: attach bmt to the new snand driver

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
master
Chuanhong Guo 5 months ago
parent
commit
b600aee3ed
  1. 63
      target/linux/mediatek/patches-5.10/330-mtk-bmt-support.patch

63
target/linux/mediatek/patches-5.10/330-mtk-bmt-support.patch

@ -805,33 +805,6 @@
+MODULE_AUTHOR("Xiangsheng Hou <xiangsheng.hou@mediatek.com>, Felix Fietkau <nbd@nbd.name>");
+MODULE_DESCRIPTION("Bad Block mapping management v2 for MediaTek NAND Flash Driver");
+
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -19,6 +19,7 @@
#include <linux/string.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi-mem.h>
+#include <linux/mtd/mtk_bmt.h>
static int spinand_read_reg_op(struct spinand_device *spinand, u8 reg, u8 *val)
{
@@ -1140,6 +1141,8 @@ static int spinand_probe(struct spi_mem
if (ret)
return ret;
+ mtk_bmt_attach(mtd);
+
ret = mtd_device_register(mtd, NULL, 0);
if (ret)
goto err_spinand_cleanup;
@@ -1165,6 +1168,7 @@ static int spinand_remove(struct spi_mem
if (ret)
return ret;
+ mtk_bmt_detach(mtd);
spinand_cleanup(spinand);
return 0;
--- /dev/null
+++ b/include/linux/mtd/mtk_bmt.h
@@ -0,0 +1,18 @@
@ -853,3 +826,39 @@
+#endif
+
+#endif
--- a/drivers/mtd/mtk-snand/mtk-snand-mtd.c
+++ b/drivers/mtd/mtk-snand/mtk-snand-mtd.c
@@ -16,6 +16,7 @@
#include <linux/dma-mapping.h>
#include <linux/wait.h>
#include <linux/mtd/mtd.h>
+#include <linux/mtd/mtk_bmt.h>
#include <linux/mtd/partitions.h>
#include <linux/of_platform.h>
@@ -608,6 +609,8 @@ static int mtk_snand_probe(struct platfo
mtd->_block_isbad = mtk_snand_mtd_block_isbad;
mtd->_block_markbad = mtk_snand_mtd_block_markbad;
+ mtk_bmt_attach(mtd);
+
ret = mtd_device_register(mtd, NULL, 0);
if (ret) {
dev_err(msm->pdev.dev, "failed to register mtd partition\n");
@@ -619,6 +622,7 @@ static int mtk_snand_probe(struct platfo
return 0;
errout4:
+ mtk_bmt_detach(mtd);
devm_kfree(msm->pdev.dev, msm->page_cache);
errout3:
@@ -646,6 +650,8 @@ static int mtk_snand_remove(struct platf
if (ret)
return ret;
+ mtk_bmt_detach(mtd);
+
mtk_snand_cleanup(msm->snf);
if (msm->irq >= 0)

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